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761893bd49
This is the part 2 to fix cyclically reusing single fastmap data PEBs.
Consider one situation, if there are four free PEBs for fm_anchor, pool,
wl_pool and fastmap data PEB with erase counter 100, 100, 100, 5096
(ubi->beb_rsvd_pebs is 0). PEB with erase counter 5096 is always picked
for fastmap data according to the realization of find_wl_entry(), since
fastmap data PEB is not scheduled for wl, finally there are two PEBs
(fm data) with great erase counter than other PEBS.
Get wl PEB even its erase counter exceeds the 'max' in find_wl_entry()
when free PEBs are run out after filling pools and fm data. Then the PEB
with biggest erase conter is taken as wl PEB, it can be scheduled for wl.
Fixes:
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|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.